9. A car drives to the north, but it speeds up. Which direction does its acceleration point? Explain.
Q: 2. A car enters a 350 m radius curve at a speed of 50 kph. If it accelerates at 2m/s², find its…
A:
Q: 89. Suppose your position s(t) as you drive north along a straight highway is as shown in the graph…
A:
Q: It takes you 10 min to walk with an average velocity of 2 m/s to The North from The Grocery Shop to…
A:
Q: 4. An astronaut drops a rock on an asteroid. The rock is released from a height of 1.45m above the…
A: Given data The height of the rock from where it is released is H = 1.45 m The time to reach the…
Q: The speed of an automobile going to the north is reduced from 30m/s to 20m/s in a distance of 120…
A:
Q: 16. A train changes its speed uniformly from 60 mi/hr to 30 mi/hr in a distance of 1500 ft. What is…
A: Initial velocity ( u ) = 60 mi / hr Final velocity ( v ) = 30 mi / hr Displacement ( s ) = 1500…
Q: Assume that an intercontinental ballistic missile goes from rest to a suborbital speed of 6.50 km/s…
A:
Q: Starting from rest, a car steadily increases its speed as it makes a 90° turn of radius 24.0m so…
A:
Q: An object moves along the ry-plane. At some instant, its velocity and acceleration are J = – (3 m/s)…
A: for straight line motion, the velocity and acceleration are in same (or opposite) direction.
Q: 2. Maggie runs 2km north and then 6km to the north-west. What is her distance travelled and her…
A:
Q: 1. What is the acceleration of a rock thrown straight upward on the way up? At the top of its…
A: Given scenario: A rock is thrown upward.
Q: 8. A car drives to the north, but it slows down. Which direction does its acceleration point?…
A: Explanation: When the car moves, the force is applied by the engine of the car and the car…
Q: An object is moving with constant non-zero acceleration along the +x-axis. A graph of the position x…
A:
Q: Is it possible for a explain why not.
A: Acceleration is defined as the rate of change of velocity with time. Now there will be a non zero…
Q: 9. A particle currently has positive displacement and negative velocity and always has constant…
A: Motion is a relative thing and not absolute. Various attributes define motion. They are velocity,…
Q: 10) A car travels around an oval racetrack at constant speed. Is the car accelerating? If so at what…
A: Yes, the car is accelerating at some points of the racetrack. At the points A and C the car is…
Q: 4. You drive for 30 min for 30 km east and then another 30 min for 40 km north. The magnitude of…
A: Average velocity is displacement divided by time interval of the displacement. Here, we calculate…
Q: 12. A ball is thrown straight up into the air. At each of the following instants, is the magnitude…
A: A ball is thrown straight up into the air.
Q: A car starts from rest and accelerates at a rate of 1.8 m/s² West for 15s. It goes at a constant…
A:
Q: A car moves around a path which is circular. Its speed is constant. Which of the following is TRUE?…
A:
Q: 1. A bus moves 150 m due North, then 100 m due South. What are the bus total distance and…
A: Data provided: Bus travels 150 m, due North Then 100 m, due South
Q: Pilots of high-performance aircraft risk loss of consciousness if the undergo accelerations ceeding…
A: Centripetal acceleration of the flight a =5g = 49 m/s^2 Tangential speed of the flight V=…
Q: A car drives to the north at constant speed. Which direction does its acceleration point? Explain.
A: ANS:- In the given case acceleration will be zero.
Q: utomobile accelerates at a constant rate of 15 mi/hr to 45 mi/hr in 15 seconds, while travelling in…
A: Givenv1=15 mi/hrv2=45 mi/hrt=15 s
Q: An automobile accelerates at a constant rate of 15 mi/hr to 45 mi/hr in 15 seconds, while travelling…
A: Given data: Initial velocity (Vi) = 15 mi/hr Final velocity (Vf) = 45 mi/hr Time (t) = 15 s…
Q: 2. Is it possible for an object to be zero speed when its acceleration is not zero? Explain with an…
A: From kinematic equations of motion we have v = vo + at Here, v is final velocity/speed , vo is…
Q: Suppose that a car traveling to the east (+x direction) begins to slow down as it approaches a…
A: Acceleration is the change in velocity per unit time. a=v-ut where, v is final speed u is initial…
Q: Is it possible for an object to have zero velocity but still have an acceleration? If so, give an…
A: An object can have zero velocity even though it is accelerating , when considering the instantaneous…
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